From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- dom/html/HTMLTrackElement.h | 137 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 dom/html/HTMLTrackElement.h (limited to 'dom/html/HTMLTrackElement.h') diff --git a/dom/html/HTMLTrackElement.h b/dom/html/HTMLTrackElement.h new file mode 100644 index 0000000000..20a239778d --- /dev/null +++ b/dom/html/HTMLTrackElement.h @@ -0,0 +1,137 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_HTMLTrackElement_h +#define mozilla_dom_HTMLTrackElement_h + +#include "mozilla/Attributes.h" +#include "mozilla/dom/HTMLMediaElement.h" +#include "mozilla/dom/TextTrack.h" +#include "nsCycleCollectionParticipant.h" +#include "nsGenericHTMLElement.h" +#include "nsGkAtoms.h" + +class nsIContent; + +namespace mozilla::dom { + +class WebVTTListener; +class WindowDestroyObserver; +enum class TextTrackReadyState : uint8_t; + +class HTMLTrackElement final : public nsGenericHTMLElement { + public: + explicit HTMLTrackElement( + already_AddRefed&& aNodeInfo); + + // nsISupports + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLTrackElement, + nsGenericHTMLElement) + + // HTMLTrackElement WebIDL + void GetKind(DOMString& aKind) const; + void SetKind(const nsAString& aKind, ErrorResult& aError) { + SetHTMLAttr(nsGkAtoms::kind, aKind, aError); + } + + void GetSrc(DOMString& aSrc) const { GetHTMLURIAttr(nsGkAtoms::src, aSrc); } + + void SetSrc(const nsAString& aSrc, ErrorResult& aError); + + void GetSrclang(DOMString& aSrclang) const { + GetHTMLAttr(nsGkAtoms::srclang, aSrclang); + } + void GetSrclang(nsAString& aSrclang) const { + GetHTMLAttr(nsGkAtoms::srclang, aSrclang); + } + void SetSrclang(const nsAString& aSrclang, ErrorResult& aError) { + SetHTMLAttr(nsGkAtoms::srclang, aSrclang, aError); + } + + void GetLabel(DOMString& aLabel) const { + GetHTMLAttr(nsGkAtoms::label, aLabel); + } + void GetLabel(nsAString& aLabel) const { + GetHTMLAttr(nsGkAtoms::label, aLabel); + } + void SetLabel(const nsAString& aLabel, ErrorResult& aError) { + SetHTMLAttr(nsGkAtoms::label, aLabel, aError); + } + + bool Default() const { return GetBoolAttr(nsGkAtoms::_default); } + void SetDefault(bool aDefault, ErrorResult& aError) { + SetHTMLBoolAttr(nsGkAtoms::_default, aDefault, aError); + } + + TextTrackReadyState ReadyState() const; + uint16_t ReadyStateForBindings() const { + return static_cast(ReadyState()); + } + void SetReadyState(TextTrackReadyState); + + TextTrack* GetTrack(); + + virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override; + + // Override ParseAttribute() to convert kind strings to enum values. + virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute, + const nsAString& aValue, + nsIPrincipal* aMaybeScriptedPrincipal, + nsAttrValue& aResult) override; + + // Override BindToTree() so that we can trigger a load when we become + // the child of a media element. + virtual nsresult BindToTree(BindContext&, nsINode& aParent) override; + virtual void UnbindFromTree(bool aNullParent) override; + + virtual void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName, + const nsAttrValue* aValue, + const nsAttrValue* aOldValue, + nsIPrincipal* aMaybeScriptedPrincipal, + bool aNotify) override; + + void DispatchTrackRunnable(const nsString& aEventName); + void DispatchTrustedEvent(const nsAString& aName); + void DispatchTestEvent(const nsAString& aName); + + void CancelChannelAndListener(); + + // Only load resource for the non-disabled track with media parent. + void MaybeDispatchLoadResource(); + + protected: + virtual ~HTMLTrackElement(); + + virtual JSObject* WrapNode(JSContext* aCx, + JS::Handle aGivenProto) override; + void OnChannelRedirect(nsIChannel* aChannel, nsIChannel* aNewChannel, + uint32_t aFlags); + + friend class TextTrackCue; + friend class WebVTTListener; + + RefPtr mTrack; + nsCOMPtr mChannel; + RefPtr mMediaParent; + RefPtr mListener; + + void CreateTextTrack(); + + private: + // Open a new channel to the HTMLTrackElement's src attribute and call + // mListener's LoadResource(). + void LoadResource(RefPtr&& aWebVTTListener); + bool mLoadResourceDispatched; + + void MaybeClearAllCues(); + + RefPtr mWindowDestroyObserver; +}; + +} // namespace mozilla::dom + +#endif // mozilla_dom_HTMLTrackElement_h -- cgit v1.2.3